Slackest Synonyms and Antonyms

Guilty of neglect; lacking due care or concern
(Adjective)
Synonyms:
  1. laxest
Lacking in rigor or strictness
(Adjective)
Synonyms:
  1. loosest
  2. limpest
  3. laxest
Antonyms:
  1. tautest
Not busy
(Adjective)
Synonyms:
  1. slowest
  2. softest
  3. dullest
Not tense or taut; loose:
(Adjective)
Synonyms:
  1. loosest